Finding the Fourth Proportional to 788.34, 1,182.48 and 326
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Solution
The fourth proportional to 788.34, 1,182.48 and 326 is: 488.99
Step by Step Solution
- Step 1: Write the proportion equation
788.34 : 1,182.48 = 326 : x - Step 2: Convert to fraction form
788.34/1,182.48 = 326/x - Step 3: Cross multiply
788.34x = 1,182.48 × 326 - Step 4: Simplify right side
788.34x = 385,488.48 - Step 5: Solve for x
x = 385,488.48/788.34 - Step 6: Final answer
x = 488.99
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